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CT PT TEST Equipment 3150A HES-10 CT&PT Accuracy Test System

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Zhengzhou Great Electric Co.,Ltd.

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HES-10 CT & PT Accuracy Testing System

System Configuration

HES-10 CT&PT Test Bench
HES-1C Digital Transformer Tester
FY49 Current Transformer Burden (5A/1A optional)
HLS-30G2 Standard Current Transformer ( with Current Source)
FY95 Voltage Transformer Burden (100V,100/√3V or other ratio requirements are available)
HJS-35G2 Standard Voltage Transformer ( with Voltage Source)
Current Transformer Primary Testing Cable
CT & PT Secondary Testing Cable

Main function description

Product Name	Main Function
HES-1C Digital Transformer Tester	Measurement the Ratio error and phase error of the CT & PT
FY49 Current Transformer Burden	The secondary load of the CT
HLS-30G2 Standard Current Transformer	Benchmark of the CT and provide Current source
FY95 Voltage Transformer Burden	The secondary load of the PT
HJS-35G2 Standard Voltage Transformer	Benchmark of the PT and provide Voltage source
HES-10 CT&PT Testing Bench	To provide testing power of the CT&PT, control function, CT demagnetization, etc.

Product Technical Parameters

HES-10 CT&PT Testing Bench

Input Voltage	AC 220V 50Hz or 60HZ Single-phase
Output Voltage	AC 0-250V
Rated Capacity	10kVA
Regulation way	coarse adjustment & fine adjustment
Adjustment way	Manual adjustment
Demagnetization Function	provide “open-circuit demagnetization”, “closed-circuit demagnetization”, “Error measurement”
Protection functions	provide over current protection
Equipment Can be installation and placed	FY current transformer burden,FY voltage transformer burden,HES-1C Digital Transformer Tester,Other Control function etc.

HES-1C Digital Transformer Tester

Rate Current and Voltage	5A, 1A, 110V, 110/√3V, 100/√3V, 1003V etc (Total 10 Rated Current and 15 Rated Voltage)
Measuring range	Ratio error range: ±0.0001% ~ ±19.99%(three positions: 0.1999%, 1.999%, 19.99%). Minimum resolution:0.0001% Phase error range:±0.01' ~ ±900'(three positions: 9.00',90.0',900'). Minimum resolution: 0.01' Impedance range:0.001Ω~ 19.99Ω. Minimum resolution: 0.001Ω Admittance:0.001 ms ~ 19.99 ms. Minimum resolution:0.001 ms
Accuracy of Voltage and Current display	Accuracy: ±1% Display range: 0-199,9%
The secondary impedance of standard current transformer connected with Tester	≤ 0.11Ω (cosφ = 1)
The secondary impedance of tested current transformer connected with Tester	≈ 0.003Ω (cosφ = 1)
Loading of standard voltage transformer connected to the tester	≈ 0
Polarity display current and voltage	< 30% of normal value
Power consumption	< 20VA
Rate Frequency	50Hz or 60HZ

HLS-30G2 Standard Current Transformer (Include Current Source)

Rated primary current(A)	5,7.5,10,15,20,25,30,40,50,60,75,80,100,120,150,160,200,250,300,315,400,500, 600,630,750,800,1000,1200,1250,1500,1600,2000,2500,3000,3150 or more optional
Rated secondary current	5A,1A
Accuracy calss	0.02% or higher accuracy class
Rated secondary load	0.2 ohm
Frequency	50Hz or 60HZ
Operating Range	1%--120%
Capacity of the Current Source	10kVA

FY49 current transformer burden

Rated Current	5A or 1A (optional)
Operating Range	1%--120%
Rated load (VA)	cosФ = 0.8: 2.5, 3.75, 5, 6.25, 7.5, 10, 12.5, 15, 20, 25,30, 40, 50, 60 VA or more options cosФ = 1.0: 2.5, 3.75, 5, 6.25, 7.5, 10 VA or more options
Rate Frequency	50Hz or 60HZ
Accuracy Class	±3%

FY95 Voltage transformer burden

Rated voltage	100V, 100/√3V or more optionals
Operation Range	20%--120%
Rated load	1.25VA, 2.5VA, 5VA, 10VA,20VA, 40VA, 80VA (Total load:158.75 VA) or more option
Fundamental error	±3%
Power factor	COSФ=0.8
Rate Frequency	50Hz or 60Hz

HJS-35G3 Standard Voltage Transformer (Include Voltage Source)

Current transformer primary test cable

Cable configuration:

2000A x 3m x 1set,1000A x 5m x 1set

500A x 1.5m x 2set,250A x 1.5m x 2set,100A x 1.5m x 2set

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